The O-Ring, cataloged under National Stock Number 5331-01-201-4611, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Specialty Distribution Group, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Specialty Distribution Group, Llc (CAGE 1X3Q3) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-201-4611 |
| Primary Part Number | MSM127/2/27 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Specialty Distribution Group, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MSM127/2/27 | Specialty Distribution Group, Llc (USA) |
| Reference | Meaning |
|---|---|
| MSM127/2/27 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MSM127/2/27 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-201-4611 is a O-Ring, manufactured by Specialty Distribution Group, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-201-4611 has 1 manufacturer part number on file: MSM127/2/27 (Specialty Distribution Group, Llc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.